GAS TURBINE ENGINE TIGHT SEALING DEVICE, CONTAINING BRUSH SEAL HAIR LUBRICATING MEANS Russian patent published in 2018 - IPC F01D11/00 F16J15/3288 

FIELD: machine building.

SUBSTANCE: invention relates to the gas turbine engine tight connection device (10), comprising the brush seal (1) formed by surrounding the core plurality of sealing hairs, closure casing (3) comprising a portion, into which at least part of the brush seal (1) enters, and supporting cover (2) mounted in contact with the brush seal (1) for its holding in the position on the closure casing (3). At that, the brush seal (1) is located between the closure casing (3) and the supporting cover (2). According to the invention, the supporting cover (2) comprises the brush seal (1) hair lubricating means (4, 5), comprising the lubricating oil collection port (5), communicating with the said opening (5) oil distribution groove and at least one flow passage (4) for the lubricating oil passage to the brush seal (1) hairs in communication with the said groove.

EFFECT: invention allows to reduce the wear of the hairs, which leads to increase in the brush seal efficiency.

9 cl, 15 dwg